Where do we come from? How did our planet form? How do we know about the history of our solar system? You can explore these universal questions in the Moon, Meteorite and Solar System Gallery. Earth’s ...

Meet the surprising, oddball worlds moving around our solar system. From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...

Professor of Earth, Environmental, and Planetary Sciences, University of Tennessee If you’ve seen illustrations or models of the solar system, maybe you noticed that all the planets orbit the Sun in ...